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(Ajanta Caves in Maharashtra, India are 31 rock-cut cave monuments formed during the second century BCE and 8th century AD,). Beautiful paintings and sculptures of Buddhist religion. During the second century BCE and 8th century AD, at that time the structure technology was not advance as 21 century...for that reason it is very complicated to create sculptures with the help of hand and some stone made tools . and ajanta caves are not only skillfully made but also very huge .

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Nalanda Universites
Nalanda Bihar,
Buddhist center of Education from 427 to 1197 CE. It has been called "one of the first great universities in recorded history”.